Справочник Пользователя для eutech-instruments calcium epoxy
Calcium Electrode
Instruction Manual
18
between samples
Drift (reading
samples and standards
allow solutions to come to room
slowly changing
at different
temperature before measurement
in one direction)
temperatures
electrode exposed
soak electrode in
to interferences
calcium standard
incorrect reference
use recommended
filling solution
filling solution
incorrect pH
adjust to pH 3-10
with NaOH or HCl
Low Slope or
standards contaminated
prepare fresh standards
No Slope
or incorrectly made
defective electrode
check electrode operation
air bubble on membrane
remove bubble by
re-dipping probe
electrode exposed to
soak electrode in
interferences
calcium standard
standard used as ISA
use ISA
ISA not used
use ISA